![]() I don't know it is bulletproof, but at least it removes the above mentioned fail. ![]() Use of fails in some cases, e.g. round_up(2.22, 2) gives incorrect 2.23 ().Īdapting the above round_down() "string" solution I have got this result (a negative precision is not covered): Here is a "string" solution () of the problem (a negative precision is not covered): S ince Math.round() will only round a floating point value to the nearest integer value, we can use that to our advantage to accomplish the task of rounding to a certain number of decimal places. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more. double n2 Math.round(number 100.0) / 100.0 Java program to rounding the given value upto 1, 2, and 3 decimal places. Use of fails in some cases, e.g. round_down(2.05, 2) gives incorrect 2.04. By default round () method rounding all digits after decimal place but we can write code to round float or double value to n decimal places, double number 12.3456789 // rounding upto 2 decimal places.
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